TWI881668B - 圖像編碼裝置、圖像解碼裝置、其等之控制方法及程式 - Google Patents

圖像編碼裝置、圖像解碼裝置、其等之控制方法及程式 Download PDF

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TWI881668B
TWI881668B TW113101548A TW113101548A TWI881668B TW I881668 B TWI881668 B TW I881668B TW 113101548 A TW113101548 A TW 113101548A TW 113101548 A TW113101548 A TW 113101548A TW I881668 B TWI881668 B TW I881668B
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quantization matrix
value
quantization
elements
image
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TW113101548A
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TW202418801A (zh
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悟
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日商佳能股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW113101548A 2018-12-17 2019-11-25 圖像編碼裝置、圖像解碼裝置、其等之控制方法及程式 TWI881668B (zh)

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JP2018235910A JP7672190B2 (ja) 2018-12-17 2018-12-17 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム
JP2018-235910 2018-12-17

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TW108142735A TWI770441B (zh) 2018-12-17 2019-11-25 圖像編碼裝置、圖像解碼裝置、其等之控制方法及程式
TW111143485A TW202312733A (zh) 2018-12-17 2019-11-25 圖像編碼裝置、圖像解碼裝置、其等之控制方法及程式
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US (7) US11997276B2 (https=)
EP (1) EP3902254A4 (https=)
JP (2) JP7672190B2 (https=)
KR (1) KR102756978B1 (https=)
CN (6) CN118175317A (https=)
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11490122B2 (en) * 2020-09-24 2022-11-01 Tencent America LLC Method and apparatus for video coding
CN118741117B (zh) * 2024-08-29 2024-11-19 中国兵工物资集团有限公司 图像数据包的生成方法和基于图像数据包还原图像的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013008459A1 (en) * 2011-07-13 2013-01-17 Canon Kabushiki Kaisha Image encoding apparatus, image encoding method, image decoding apparatus, image decoding method, and program
CN104137546A (zh) * 2011-11-07 2014-11-05 高通股份有限公司 用信号发送用于视频译码的量化矩阵
CN106612439A (zh) * 2016-02-04 2017-05-03 四川用联信息技术有限公司 一种自适应快速分形图像压缩方法
US20170359578A1 (en) * 2014-12-26 2017-12-14 Panasonic Intellectual Property Management Co., Ltd. Encoding method, decoding method, encoding apparatus, and decoding apparatus

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6882685B2 (en) 2001-09-18 2005-04-19 Microsoft Corporation Block transform and quantization for image and video coding
JP4956612B2 (ja) * 2006-10-12 2012-06-20 株式会社東芝 画像符号化装置及び画像符号化方法
JP2011029956A (ja) * 2009-07-27 2011-02-10 Sony Corp 画像符号化装置および画像符号化方法
US9215470B2 (en) 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
JP5741076B2 (ja) * 2010-12-09 2015-07-01 ソニー株式会社 画像処理装置及び画像処理方法
US9641840B2 (en) * 2011-05-20 2017-05-02 Sony Corporation Processing device and image processing method for encoding and decoding image
CN103797796B (zh) 2011-09-08 2017-04-19 谷歌技术控股有限责任公司 用于系数矩形块的量化和去量化的方法和装置
TW201325247A (zh) 2011-11-07 2013-06-16 Samsung Electronics Co Ltd 在視訊解碼的反量化及逆轉換期間實現資料修剪的逆轉換方法及設備
JP2013146038A (ja) * 2011-12-13 2013-07-25 Canon Inc 画像量子化装置、画像量子化方法及びプログラム、画像逆量子化装置、画像逆量子化方法及びプログラム
KR20200023501A (ko) * 2011-12-19 2020-03-04 소니 주식회사 화상 처리 장치 및 방법
US9838682B2 (en) * 2012-02-29 2017-12-05 Sony Corporation Image processing device and method with a scalable quantization matrix
WO2013158669A1 (en) * 2012-04-16 2013-10-24 Huawei Technologies Co., Ltd. Method and apparatus of quantization matrix coding
PT2840791T (pt) * 2012-04-16 2018-04-16 Electronics & Telecommunications Res Inst Método e dispositivo para codificação/descodificação de imagem
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
TWI627857B (zh) 2012-06-29 2018-06-21 新力股份有限公司 Image processing device and method
CN106663209B (zh) * 2014-09-19 2020-05-08 华为技术有限公司 用于非均匀映射图像/视频编码中不同尺寸的量化矩阵之间的量化矩阵系数的方法和装置
CN104796609B (zh) * 2015-04-17 2018-01-05 南京理工大学 基于最优哈达玛编码的大视场高分辨率显微成像方法
JP6566865B2 (ja) * 2015-12-28 2019-08-28 Kddi株式会社 動画像復号装置、動画像復号方法、動画像符号化装置、動画像符号化方法及びコンピュータ可読記録媒体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013008459A1 (en) * 2011-07-13 2013-01-17 Canon Kabushiki Kaisha Image encoding apparatus, image encoding method, image decoding apparatus, image decoding method, and program
CN104137546A (zh) * 2011-11-07 2014-11-05 高通股份有限公司 用信号发送用于视频译码的量化矩阵
US20170359578A1 (en) * 2014-12-26 2017-12-14 Panasonic Intellectual Property Management Co., Ltd. Encoding method, decoding method, encoding apparatus, and decoding apparatus
CN106612439A (zh) * 2016-02-04 2017-05-03 四川用联信息技术有限公司 一种自适应快速分形图像压缩方法

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BR112021010308A2 (pt) 2021-08-24
CN113228652B (zh) 2024-04-12
US11997276B2 (en) 2024-05-28
KR102756978B1 (ko) 2025-01-21
JP7685038B2 (ja) 2025-05-28
US12294704B2 (en) 2025-05-06
KR20210096279A (ko) 2021-08-04
CN113228652A (zh) 2021-08-06
US12464126B2 (en) 2025-11-04
TWI788268B (zh) 2022-12-21
US12170770B2 (en) 2024-12-17
TW202029759A (zh) 2020-08-01
CN118175316A (zh) 2024-06-11
US20210306633A1 (en) 2021-09-30
US12323592B2 (en) 2025-06-03
US20240187591A1 (en) 2024-06-06
JP2024023793A (ja) 2024-02-21
TW202239207A (zh) 2022-10-01
CN118175315A (zh) 2024-06-11
TW202418801A (zh) 2024-05-01
US20240187589A1 (en) 2024-06-06
US20240187592A1 (en) 2024-06-06
CN118175317A (zh) 2024-06-11
US12294703B2 (en) 2025-05-06
TW202312733A (zh) 2023-03-16
JP2020098984A (ja) 2020-06-25
CN118175318A (zh) 2024-06-11
TWI770441B (zh) 2022-07-11
WO2020129489A1 (ja) 2020-06-25
EP3902254A1 (en) 2021-10-27
US20240187590A1 (en) 2024-06-06
JP7672190B2 (ja) 2025-05-07
US20250267266A1 (en) 2025-08-21
EP3902254A4 (en) 2022-08-31
US20240195967A1 (en) 2024-06-13
CN118233635A (zh) 2024-06-21

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